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Table 7
Fundamental stellar parameters.
| o Cet | R Leo | R Aqr | R Cnc | X Hya | W Vel | |
|
|
||||||
| Phase | 0.1 | 0.6 | 0.6 | 0.3–0.5 | 0.7–0.9 | 0.9–1.1 |
 (mas)a |
28.5 ± 1.5 | 29.6 ± 1.3 | 18.4 ± 0.4 | 13.2 ± 0.3 | 6.0 ± 0.3 | 7.4 ± 0.2 |
| mbol (mag)b | 1.04 ± 0.1 | 0.75 ± 0.1 | 2.37 ± 0.1 | 2.83 ± 0.4 | 4.00 ± 0.2 | 3.55 ± 0.2 |
| Parallax (mas) | 9.1 ± 1.4c | 10.0 ± 1.5c | 4.59 ± 0.24d | 3.6 ± 0.5c | 2.3 ± 0.3c | 2.0 ± 0.3c |
| R (R⊙) | 340 ± 80 | 320 ± 70 | 431 ± 33 | 400 ± 70 | 280 ± 60 | 400 ± 80 |
| Teff (K) | 2450 ± 120 | 2570 ± 120 | 2250 ± 76 | 2390 ± 260 | 2700 ± 195 | 2700 ± 160 |
| log L/L⊙ | 3.57 ± 0.27 | 3.60 ± 0.25 | 3.63 ± 0.12 | 3.66 ± 0.35 | 3.58 ± 0.28 | 3.88 ± 0.26 |
Notes.
(a)
This work, see Table 3.
(b)
Based on SAAO photometry, see Sect. 2.
(c)
P − L distance from Whitelock et al. (2008). We adopt an error of 15% in distance.
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